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1 jan 1915 ano - In 1915 Langevin invented the first system desinged to utilize sound waves and acustical echos under water as a detection device

Adicionado na linha do tempo:

Development of sonar Technology

ByBrady Fortenberry

8 nov 2018

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385

Data:

1 jan 1915 ano

Agora

~ 110 years ago

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